octave-nkf: liboctave/fNDArray.cc annotate

annotate liboctave/fNDArray.cc @ 9621:3ee9029931b3

fix scalar complex-real comparisons

author	Jaroslav Hajek <highegg@gmail.com>
date	Sun, 06 Sep 2009 07:41:34 +0200
parents	a9b37bae1802
children	192d94cff6c1

rev	line source
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1 // N-D Array manipulations.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2 /*
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8777 diff changeset	4 Copyright (C) 1996, 1997, 2003, 2004, 2005, 2006, 2007, 2008, 2009
eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8777 diff changeset	5 John W. Eaton
9601 a9b37bae1802 add a couple of missing copyright statements Jaroslav Hajek <highegg@gmail.com> parents: 9578 diff changeset	6 Copyright (C) 2009 VZLU Prague, a.s.
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	7
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	8 This file is part of Octave.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	9
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	10 Octave is free software; you can redistribute it and/or modify it
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	11 under the terms of the GNU General Public License as published by the
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	12 Free Software Foundation; either version 3 of the License, or (at your
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	13 option) any later version.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	14
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	15 Octave is distributed in the hope that it will be useful, but WITHOUT
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	18 for more details.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	19
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	20 You should have received a copy of the GNU General Public License
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	21 along with Octave; see the file COPYING. If not, see
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	22 <http://www.gnu.org/licenses/>.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	23
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	24 */
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	25
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	26 #ifdef HAVE_CONFIG_H
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	27 #include <config.h>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	28 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	29
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	30 #include <cfloat>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	31
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	32 #include <vector>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	33
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	34 #include "Array-util.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9513 diff changeset	35 #include "f77-fcn.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	36 #include "fNDArray.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	37 #include "functor.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	38 #include "lo-error.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	39 #include "lo-ieee.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	40 #include "lo-mappers.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9513 diff changeset	41 #include "mx-base.h"
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9513 diff changeset	42 #include "mx-op-defs.h"
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9513 diff changeset	43 #include "oct-fftw.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 7922 diff changeset	44 #include "oct-locbuf.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	45
8956 d91fa4b20bbb ensure nonnegative char -> real conversion Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	46 FloatNDArray::FloatNDArray (const charNDArray& a)
d91fa4b20bbb ensure nonnegative char -> real conversion Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	47 : MArrayN<float> (a.dims ())
d91fa4b20bbb ensure nonnegative char -> real conversion Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	48 {
d91fa4b20bbb ensure nonnegative char -> real conversion Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	49 octave_idx_type n = a.numel ();
d91fa4b20bbb ensure nonnegative char -> real conversion Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	50 for (octave_idx_type i = 0; i < n; i++)
d91fa4b20bbb ensure nonnegative char -> real conversion Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	51 xelem (i) = static_cast<unsigned char> (a(i));
d91fa4b20bbb ensure nonnegative char -> real conversion Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	52 }
d91fa4b20bbb ensure nonnegative char -> real conversion Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	53
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9513 diff changeset	54 #if defined (HAVE_FFTW)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	55
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	56 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	57 FloatNDArray::fourier (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	58 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	59 dim_vector dv = dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	60
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	61 if (dim > dv.length () \|\| dim < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	62 return FloatComplexNDArray ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	63
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	64 octave_idx_type stride = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	65 octave_idx_type n = dv(dim);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	66
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	67 for (int i = 0; i < dim; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	68 stride *= dv(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	69
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	70 octave_idx_type howmany = numel () / dv (dim);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	71 howmany = (stride == 1 ? howmany : (howmany > stride ? stride : howmany));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	72 octave_idx_type nloop = (stride == 1 ? 1 : numel () / dv (dim) / stride);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	73 octave_idx_type dist = (stride == 1 ? n : 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	74
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	75 const float *in (fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	76 FloatComplexNDArray retval (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	77 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	78
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	79 // Need to be careful here about the distance between fft's
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	80 for (octave_idx_type k = 0; k < nloop; k++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	81 octave_fftw::fft (in + k * stride * n, out + k * stride * n,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	82 n, howmany, stride, dist);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	83
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	84 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	85 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	86
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	87 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	88 FloatNDArray::ifourier (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	89 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	90 dim_vector dv = dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	91
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	92 if (dim > dv.length () \|\| dim < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	93 return FloatComplexNDArray ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	94
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	95 octave_idx_type stride = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	96 octave_idx_type n = dv(dim);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	97
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	98 for (int i = 0; i < dim; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	99 stride *= dv(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	100
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	101 octave_idx_type howmany = numel () / dv (dim);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	102 howmany = (stride == 1 ? howmany : (howmany > stride ? stride : howmany));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	103 octave_idx_type nloop = (stride == 1 ? 1 : numel () / dv (dim) / stride);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	104 octave_idx_type dist = (stride == 1 ? n : 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	105
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	106 FloatComplexNDArray retval (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	107 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	108
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	109 // Need to be careful here about the distance between fft's
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	110 for (octave_idx_type k = 0; k < nloop; k++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	111 octave_fftw::ifft (out + k * stride * n, out + k * stride * n,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	112 n, howmany, stride, dist);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	113
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	114 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	115 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	116
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	117 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	118 FloatNDArray::fourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	119 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	120 dim_vector dv = dims();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	121 if (dv.length () < 2)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	122 return FloatComplexNDArray ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	123
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	124 dim_vector dv2(dv(0), dv(1));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	125 const float *in = fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	126 FloatComplexNDArray retval (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	127 FloatComplex *out = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	128 octave_idx_type howmany = numel() / dv(0) / dv(1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	129 octave_idx_type dist = dv(0) * dv(1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	130
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	131 for (octave_idx_type i=0; i < howmany; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	132 octave_fftw::fftNd (in + idist, out + idist, 2, dv2);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	133
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	134 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	135 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	136
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	137 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	138 FloatNDArray::ifourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	139 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	140 dim_vector dv = dims();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	141 if (dv.length () < 2)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	142 return FloatComplexNDArray ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	143
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	144 dim_vector dv2(dv(0), dv(1));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	145 FloatComplexNDArray retval (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	146 FloatComplex *out = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	147 octave_idx_type howmany = numel() / dv(0) / dv(1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	148 octave_idx_type dist = dv(0) * dv(1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	149
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	150 for (octave_idx_type i=0; i < howmany; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	151 octave_fftw::ifftNd (out + idist, out + idist, 2, dv2);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	152
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	153 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	154 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	155
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	156 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	157 FloatNDArray::fourierNd (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	158 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	159 dim_vector dv = dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	160 int rank = dv.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	161
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	162 const float *in (fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	163 FloatComplexNDArray retval (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	164 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	165
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	166 octave_fftw::fftNd (in, out, rank, dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	167
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	168 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	169 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	170
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	171 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	172 FloatNDArray::ifourierNd (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	173 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	174 dim_vector dv = dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	175 int rank = dv.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	176
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	177 FloatComplexNDArray tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	178 FloatComplex *in (tmp.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	179 FloatComplexNDArray retval (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	180 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	181
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	182 octave_fftw::ifftNd (in, out, rank, dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	183
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	184 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	185 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	186
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	187 #else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	188
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	189 extern "C"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	190 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	191 // Note that the original complex fft routines were not written for
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	192 // float complex arguments. They have been modified by adding an
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	193 // implicit float precision (a-h,o-z) statement at the beginning of
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	194 // each subroutine.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	195
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	196 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	197 F77_FUNC (cffti, CFFTI) (const octave_idx_type&, FloatComplex*);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	198
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	199 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	200 F77_FUNC (cfftf, CFFTF) (const octave_idx_type&, FloatComplex, FloatComplex);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	201
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	202 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	203 F77_FUNC (cfftb, CFFTB) (const octave_idx_type&, FloatComplex, FloatComplex);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	204 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	205
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	206 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	207 FloatNDArray::fourier (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	208 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	209 dim_vector dv = dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	210
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	211 if (dim > dv.length () \|\| dim < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	212 return FloatComplexNDArray ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	213
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	214 FloatComplexNDArray retval (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	215 octave_idx_type npts = dv(dim);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	216 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	217 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	218 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	219
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	220 OCTAVE_LOCAL_BUFFER (FloatComplex, tmp, npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	221
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	222 octave_idx_type stride = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	223
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	224 for (int i = 0; i < dim; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	225 stride *= dv(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	226
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	227 octave_idx_type howmany = numel () / npts;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	228 howmany = (stride == 1 ? howmany : (howmany > stride ? stride : howmany));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	229 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	230 octave_idx_type dist = (stride == 1 ? npts : 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	231
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	232 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	233
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	234 for (octave_idx_type k = 0; k < nloop; k++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	235 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	236 for (octave_idx_type j = 0; j < howmany; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	237 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	238 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	239
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	240 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	241 tmp[i] = elem((i + knpts)stride + j*dist);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	242
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	243 F77_FUNC (cfftf, CFFTF) (npts, tmp, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	244
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	245 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	246 retval ((i + knpts)stride + j*dist) = tmp[i];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	247 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	248 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	249
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	250 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	251 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	252
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	253 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	254 FloatNDArray::ifourier (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	255 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	256 dim_vector dv = dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	257
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	258 if (dim > dv.length () \|\| dim < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	259 return FloatComplexNDArray ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	260
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	261 FloatComplexNDArray retval (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	262 octave_idx_type npts = dv(dim);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	263 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	264 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	265 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	266
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	267 OCTAVE_LOCAL_BUFFER (FloatComplex, tmp, npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	268
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	269 octave_idx_type stride = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	270
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	271 for (int i = 0; i < dim; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	272 stride *= dv(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	273
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	274 octave_idx_type howmany = numel () / npts;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	275 howmany = (stride == 1 ? howmany : (howmany > stride ? stride : howmany));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	276 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	277 octave_idx_type dist = (stride == 1 ? npts : 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	278
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	279 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	280
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	281 for (octave_idx_type k = 0; k < nloop; k++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	282 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	283 for (octave_idx_type j = 0; j < howmany; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	284 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	285 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	286
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	287 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	288 tmp[i] = elem((i + knpts)stride + j*dist);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	289
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	290 F77_FUNC (cfftb, CFFTB) (npts, tmp, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	291
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	292 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	293 retval ((i + knpts)stride + j*dist) = tmp[i] /
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	294 static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	295 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	296 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	297
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	298 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	299 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	300
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	301 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	302 FloatNDArray::fourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	303 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	304 dim_vector dv = dims();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	305 dim_vector dv2 (dv(0), dv(1));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	306 int rank = 2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	307 FloatComplexNDArray retval (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	308 octave_idx_type stride = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	309
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	310 for (int i = 0; i < rank; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	311 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	312 octave_idx_type npts = dv2(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	313 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	314 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	315 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	316 Array<FloatComplex> row (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	317 FloatComplex *prow = row.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	318
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	319 octave_idx_type howmany = numel () / npts;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	320 howmany = (stride == 1 ? howmany :
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	321 (howmany > stride ? stride : howmany));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	322 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	323 octave_idx_type dist = (stride == 1 ? npts : 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	324
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	325 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	326
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	327 for (octave_idx_type k = 0; k < nloop; k++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	328 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	329 for (octave_idx_type j = 0; j < howmany; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	330 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	331 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	332
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	333 for (octave_idx_type l = 0; l < npts; l++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	334 prow[l] = retval ((l + knpts)stride + j*dist);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	335
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	336 F77_FUNC (cfftf, CFFTF) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	337
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	338 for (octave_idx_type l = 0; l < npts; l++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	339 retval ((l + knpts)stride + j*dist) = prow[l];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	340 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	341 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	342
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	343 stride *= dv2(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	344 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	345
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	346 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	347 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	348
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	349 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	350 FloatNDArray::ifourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	351 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	352 dim_vector dv = dims();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	353 dim_vector dv2 (dv(0), dv(1));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	354 int rank = 2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	355 FloatComplexNDArray retval (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	356 octave_idx_type stride = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	357
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	358 for (int i = 0; i < rank; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	359 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	360 octave_idx_type npts = dv2(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	361 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	362 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	363 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	364 Array<FloatComplex> row (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	365 FloatComplex *prow = row.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	366
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	367 octave_idx_type howmany = numel () / npts;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	368 howmany = (stride == 1 ? howmany :
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	369 (howmany > stride ? stride : howmany));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	370 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	371 octave_idx_type dist = (stride == 1 ? npts : 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	372
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	373 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	374
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	375 for (octave_idx_type k = 0; k < nloop; k++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	376 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	377 for (octave_idx_type j = 0; j < howmany; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	378 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	379 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	380
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	381 for (octave_idx_type l = 0; l < npts; l++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	382 prow[l] = retval ((l + knpts)stride + j*dist);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	383
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	384 F77_FUNC (cfftb, CFFTB) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	385
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	386 for (octave_idx_type l = 0; l < npts; l++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	387 retval ((l + knpts)stride + j*dist) = prow[l] /
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	388 static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	389 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	390 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	391
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	392 stride *= dv2(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	393 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	394
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	395 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	396 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	397
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	398 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	399 FloatNDArray::fourierNd (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	400 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	401 dim_vector dv = dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	402 int rank = dv.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	403 FloatComplexNDArray retval (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	404 octave_idx_type stride = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	405
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	406 for (int i = 0; i < rank; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	407 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	408 octave_idx_type npts = dv(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	409 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	410 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	411 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	412 Array<FloatComplex> row (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	413 FloatComplex *prow = row.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	414
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	415 octave_idx_type howmany = numel () / npts;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	416 howmany = (stride == 1 ? howmany :
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	417 (howmany > stride ? stride : howmany));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	418 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	419 octave_idx_type dist = (stride == 1 ? npts : 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	420
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	421 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	422
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	423 for (octave_idx_type k = 0; k < nloop; k++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	424 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	425 for (octave_idx_type j = 0; j < howmany; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	426 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	427 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	428
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	429 for (octave_idx_type l = 0; l < npts; l++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	430 prow[l] = retval ((l + knpts)stride + j*dist);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	431
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	432 F77_FUNC (cfftf, CFFTF) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	433
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	434 for (octave_idx_type l = 0; l < npts; l++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	435 retval ((l + knpts)stride + j*dist) = prow[l];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	436 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	437 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	438
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	439 stride *= dv(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	440 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	441
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	442 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	443 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	444
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	445 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	446 FloatNDArray::ifourierNd (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	447 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	448 dim_vector dv = dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	449 int rank = dv.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	450 FloatComplexNDArray retval (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	451 octave_idx_type stride = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	452
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	453 for (int i = 0; i < rank; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	454 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	455 octave_idx_type npts = dv(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	456 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	457 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	458 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	459 Array<FloatComplex> row (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	460 FloatComplex *prow = row.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	461
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	462 octave_idx_type howmany = numel () / npts;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	463 howmany = (stride == 1 ? howmany :
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	464 (howmany > stride ? stride : howmany));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	465 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	466 octave_idx_type dist = (stride == 1 ? npts : 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	467
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	468 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	469
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	470 for (octave_idx_type k = 0; k < nloop; k++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	471 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	472 for (octave_idx_type j = 0; j < howmany; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	473 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	474 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	475
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	476 for (octave_idx_type l = 0; l < npts; l++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	477 prow[l] = retval ((l + knpts)stride + j*dist);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	478
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	479 F77_FUNC (cfftb, CFFTB) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	480
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	481 for (octave_idx_type l = 0; l < npts; l++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	482 retval ((l + knpts)stride + j*dist) = prow[l] /
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	483 static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	484 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	485 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	486
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	487 stride *= dv(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	488 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	489
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	490 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	491 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	492
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	493 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	494
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	495 // unary operations
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	496
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	497 boolNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	498 FloatNDArray::operator ! (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	499 {
9553 0c72d9284087 further bool ops tweaks Jaroslav Hajek <highegg@gmail.com> parents: 9551 diff changeset	500 return do_mx_unary_op<boolNDArray, FloatNDArray> (*this, mx_inline_not);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	501 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	502
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	503 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	504 FloatNDArray::any_element_is_negative (bool neg_zero) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	505 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	506 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	507
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	508 if (neg_zero)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	509 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	510 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	511 if (lo_ieee_signbit (elem (i)))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	512 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	513 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	514 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	515 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	516 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	517 if (elem (i) < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	518 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	519 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	520
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	521 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	522 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	523
7922 935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	524 bool
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	525 FloatNDArray::any_element_is_nan (void) const
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	526 {
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	527 octave_idx_type nel = nelem ();
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	528
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	529 for (octave_idx_type i = 0; i < nel; i++)
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	530 {
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	531 float val = elem (i);
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	532 if (xisnan (val))
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	533 return true;
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	534 }
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	535
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	536 return false;
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	537 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	538
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	539 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	540 FloatNDArray::any_element_is_inf_or_nan (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	541 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	542 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	543
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	544 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	545 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	546 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	547 if (xisinf (val) \|\| xisnan (val))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	548 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	549 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	550
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	551 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	552 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	553
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	554 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	555 FloatNDArray::any_element_not_one_or_zero (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	556 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	557 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	558
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	559 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	560 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	561 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	562 if (val != 0 && val != 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	563 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	564 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	565
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	566 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	567 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	568
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	569 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	570 FloatNDArray::all_elements_are_zero (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	571 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	572 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	573
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	574 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	575 if (elem (i) != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	576 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	577
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	578 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	579 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	580
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	581 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	582 FloatNDArray::all_elements_are_int_or_inf_or_nan (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	583 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	584 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	585
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	586 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	587 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	588 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	589 if (xisnan (val) \|\| D_NINT (val) == val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	590 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	591 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	592 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	593 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	594
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	595 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	596 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	597
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	598 // Return nonzero if any element of M is not an integer. Also extract
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	599 // the largest and smallest values and return them in MAX_VAL and MIN_VAL.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	600
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	601 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	602 FloatNDArray::all_integers (float& max_val, float& min_val) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	603 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	604 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	605
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	606 if (nel > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	607 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	608 max_val = elem (0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	609 min_val = elem (0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	610 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	611 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	612 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	613
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	614 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	615 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	616 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	617
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	618 if (val > max_val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	619 max_val = val;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	620
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	621 if (val < min_val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	622 min_val = val;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	623
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	624 if (D_NINT (val) != val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	625 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	626 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	627
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	628 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	629 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	630
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	631 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	632 FloatNDArray::too_large_for_float (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	633 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	634 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	635
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	636 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	637 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	638 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	639
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	640 if (! (xisnan (val) \|\| xisinf (val))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	641 && fabs (val) > FLT_MAX)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	642 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	643 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	644
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	645 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	646 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	647
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	648 // FIXME -- this is not quite the right thing.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	649
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	650 boolNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	651 FloatNDArray::all (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	652 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	653 return do_mx_red_op<boolNDArray, float> (*this, dim, mx_inline_all);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	654 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	655
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	656 boolNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	657 FloatNDArray::any (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	658 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	659 return do_mx_red_op<boolNDArray, float> (*this, dim, mx_inline_any);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	660 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	661
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	662 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	663 FloatNDArray::cumprod (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	664 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	665 return do_mx_cum_op<FloatNDArray, float> (*this, dim, mx_inline_cumprod);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	666 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	667
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	668 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	669 FloatNDArray::cumsum (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	670 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	671 return do_mx_cum_op<FloatNDArray, float> (*this, dim, mx_inline_cumsum);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	672 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	673
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	674 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	675 FloatNDArray::prod (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	676 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	677 return do_mx_red_op<FloatNDArray, float> (*this, dim, mx_inline_prod);
8736 53b4fdeacc2e improve reduction functions Jaroslav Hajek <highegg@gmail.com> parents: 8650 diff changeset	678 }
53b4fdeacc2e improve reduction functions Jaroslav Hajek <highegg@gmail.com> parents: 8650 diff changeset	679
53b4fdeacc2e improve reduction functions Jaroslav Hajek <highegg@gmail.com> parents: 8650 diff changeset	680 FloatNDArray
53b4fdeacc2e improve reduction functions Jaroslav Hajek <highegg@gmail.com> parents: 8650 diff changeset	681 FloatNDArray::sum (int dim) const
53b4fdeacc2e improve reduction functions Jaroslav Hajek <highegg@gmail.com> parents: 8650 diff changeset	682 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	683 return do_mx_red_op<FloatNDArray, float> (*this, dim, mx_inline_sum);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	684 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	685
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	686 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	687 FloatNDArray::sumsq (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	688 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	689 return do_mx_red_op<FloatNDArray, float> (*this, dim, mx_inline_sumsq);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	690 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	691
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	692 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	693 FloatNDArray::max (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	694 {
8751 9f7ce4bf7650 optimize min/max functions Jaroslav Hajek <highegg@gmail.com> parents: 8743 diff changeset	695 return do_mx_minmax_op<FloatNDArray> (*this, dim, mx_inline_max);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	696 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	697
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	698 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	699 FloatNDArray::max (ArrayN<octave_idx_type>& idx_arg, int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	700 {
8751 9f7ce4bf7650 optimize min/max functions Jaroslav Hajek <highegg@gmail.com> parents: 8743 diff changeset	701 return do_mx_minmax_op<FloatNDArray> (*this, idx_arg, dim, mx_inline_max);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	702 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	703
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	704 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	705 FloatNDArray::min (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	706 {
8751 9f7ce4bf7650 optimize min/max functions Jaroslav Hajek <highegg@gmail.com> parents: 8743 diff changeset	707 return do_mx_minmax_op<FloatNDArray> (*this, dim, mx_inline_min);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	708 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	709
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	710 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	711 FloatNDArray::min (ArrayN<octave_idx_type>& idx_arg, int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	712 {
8751 9f7ce4bf7650 optimize min/max functions Jaroslav Hajek <highegg@gmail.com> parents: 8743 diff changeset	713 return do_mx_minmax_op<FloatNDArray> (*this, idx_arg, dim, mx_inline_min);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	714 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	715
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	716 FloatNDArray
8777 724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	717 FloatNDArray::cummax (int dim) const
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	718 {
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	719 return do_mx_cumminmax_op<FloatNDArray> (*this, dim, mx_inline_cummax);
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	720 }
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	721
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	722 FloatNDArray
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	723 FloatNDArray::cummax (ArrayN<octave_idx_type>& idx_arg, int dim) const
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	724 {
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	725 return do_mx_cumminmax_op<FloatNDArray> (*this, idx_arg, dim, mx_inline_cummax);
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	726 }
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	727
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	728 FloatNDArray
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	729 FloatNDArray::cummin (int dim) const
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	730 {
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	731 return do_mx_cumminmax_op<FloatNDArray> (*this, dim, mx_inline_cummin);
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	732 }
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	733
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	734 FloatNDArray
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	735 FloatNDArray::cummin (ArrayN<octave_idx_type>& idx_arg, int dim) const
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	736 {
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	737 return do_mx_cumminmax_op<FloatNDArray> (*this, idx_arg, dim, mx_inline_cummin);
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	738 }
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	739
724c0f46d9d4 implement cummin/cummax functions Jaroslav Hajek <highegg@gmail.com> parents: 8774 diff changeset	740 FloatNDArray
9513 9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	741 FloatNDArray::diff (octave_idx_type order, int dim) const
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	742 {
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	743 return do_mx_diff_op<FloatNDArray> (*this, dim, order, mx_inline_diff);
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	744 }
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	745
9f870f73ab7d implement built-in diff Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	746 FloatNDArray
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	747 FloatNDArray::concat (const FloatNDArray& rb, const Array<octave_idx_type>& ra_idx)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	748 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	749 if (rb.numel () > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	750 insert (rb, ra_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	751 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	752 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	753
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	754 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	755 FloatNDArray::concat (const FloatComplexNDArray& rb, const Array<octave_idx_type>& ra_idx)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	756 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	757 FloatComplexNDArray retval (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	758 if (rb.numel () > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	759 retval.insert (rb, ra_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	760 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	761 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	762
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	763 charNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	764 FloatNDArray::concat (const charNDArray& rb, const Array<octave_idx_type>& ra_idx)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	765 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	766 charNDArray retval (dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	767 octave_idx_type nel = numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	768
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	769 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	770 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	771 float d = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	772
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	773 if (xisnan (d))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	774 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	775 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	776 ("invalid conversion from NaN to character");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	777 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	778 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	779 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	780 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	781 octave_idx_type ival = NINTbig (d);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	782
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	783 if (ival < 0 \|\| ival > UCHAR_MAX)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	784 // FIXME -- is there something
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	785 // better we could do? Should we warn the user?
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	786 ival = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	787
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	788 retval.elem (i) = static_cast<char>(ival);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	789 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	790 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	791
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	792 if (rb.numel () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	793 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	794
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	795 retval.insert (rb, ra_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	796 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	797 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	798
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	799 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	800 real (const FloatComplexNDArray& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	801 {
8650 a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	802 return FloatNDArray (mx_inline_real_dup (a.data (), a.length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	803 a.dims ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	804 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	805
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	806 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	807 imag (const FloatComplexNDArray& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	808 {
8650 a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	809 return FloatNDArray (mx_inline_imag_dup (a.data (), a.length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	810 a.dims ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	811 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	812
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	813 FloatNDArray&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	814 FloatNDArray::insert (const FloatNDArray& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	815 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	816 Array<float>::insert (a, r, c);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	817 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	818 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	819
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	820 FloatNDArray&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	821 FloatNDArray::insert (const FloatNDArray& a, const Array<octave_idx_type>& ra_idx)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	822 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	823 Array<float>::insert (a, ra_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	824 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	825 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	826
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	827 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	828 FloatNDArray::abs (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	829 {
8650 a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	830 return FloatNDArray (mx_inline_fabs_dup (data (), length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	831 dims ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	832 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	833
8998 a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	834 boolNDArray
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	835 FloatNDArray::isnan (void) const
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	836 {
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	837 return ArrayN<bool> (fastmap<bool> (xisnan));
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	838 }
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	839
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	840 boolNDArray
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	841 FloatNDArray::isinf (void) const
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	842 {
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	843 return ArrayN<bool> (fastmap<bool> (xisinf));
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	844 }
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	845
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	846 boolNDArray
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	847 FloatNDArray::isfinite (void) const
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	848 {
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	849 return ArrayN<bool> (fastmap<bool> (xfinite));
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	850 }
a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8981 diff changeset	851
8981 ed5055b0a476 fix & simplify ndarray->matrix conversions Jaroslav Hajek <highegg@gmail.com> parents: 8956 diff changeset	852 FloatMatrix
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	853 FloatNDArray::matrix_value (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	854 {
8981 ed5055b0a476 fix & simplify ndarray->matrix conversions Jaroslav Hajek <highegg@gmail.com> parents: 8956 diff changeset	855 FloatMatrix retval;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	856
8981 ed5055b0a476 fix & simplify ndarray->matrix conversions Jaroslav Hajek <highegg@gmail.com> parents: 8956 diff changeset	857 if (ndims () == 2)
ed5055b0a476 fix & simplify ndarray->matrix conversions Jaroslav Hajek <highegg@gmail.com> parents: 8956 diff changeset	858 retval = FloatMatrix (Array2<float> (*this));
ed5055b0a476 fix & simplify ndarray->matrix conversions Jaroslav Hajek <highegg@gmail.com> parents: 8956 diff changeset	859 else
ed5055b0a476 fix & simplify ndarray->matrix conversions Jaroslav Hajek <highegg@gmail.com> parents: 8956 diff changeset	860 (*current_liboctave_error_handler)
ed5055b0a476 fix & simplify ndarray->matrix conversions Jaroslav Hajek <highegg@gmail.com> parents: 8956 diff changeset	861 ("invalid conversion of FloatNDArray to FloatMatrix");
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	862
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	863 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	864 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	865
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	866 void
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	867 FloatNDArray::increment_index (Array<octave_idx_type>& ra_idx,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	868 const dim_vector& dimensions,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	869 int start_dimension)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	870 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	871 ::increment_index (ra_idx, dimensions, start_dimension);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	872 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	873
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	874 octave_idx_type
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	875 FloatNDArray::compute_index (Array<octave_idx_type>& ra_idx,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	876 const dim_vector& dimensions)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	877 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	878 return ::compute_index (ra_idx, dimensions);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	879 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	880
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	881 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	882 FloatNDArray::diag (octave_idx_type k) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	883 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	884 return MArrayN<float>::diag (k);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	885 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	886
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	887 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	888 FloatNDArray::map (dmapper fcn) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	889 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	890 return MArrayN<float>::map<float> (func_ptr (fcn));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	891 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	892
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	893 FloatComplexNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	894 FloatNDArray::map (cmapper fcn) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	895 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	896 return MArrayN<float>::map<FloatComplex> (func_ptr (fcn));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	897 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	898
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	899 boolNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	900 FloatNDArray::map (bmapper fcn) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	901 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	902 return MArrayN<float>::map<bool> (func_ptr (fcn));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	903 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	904
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	905 // This contains no information on the array structure !!!
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	906 std::ostream&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	907 operator << (std::ostream& os, const FloatNDArray& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	908 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	909 octave_idx_type nel = a.nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	910
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	911 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	912 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	913 os << " ";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	914 octave_write_float (os, a.elem (i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	915 os << "\n";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	916 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	917 return os;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	918 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	919
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	920 std::istream&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	921 operator >> (std::istream& is, FloatNDArray& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	922 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	923 octave_idx_type nel = a.nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	924
8999 dc07bc4157b8 allow empty matrices in stream input operators Jaroslav Hajek <highegg@gmail.com> parents: 8998 diff changeset	925 if (nel > 0)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	926 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	927 float tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	928 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	929 {
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9227 diff changeset	930 tmp = octave_read_value<float> (is);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	931 if (is)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	932 a.elem (i) = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	933 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	934 goto done;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	935 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	936 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	937
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	938 done:
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	939
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	940 return is;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	941 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	942
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	943 // FIXME -- it would be nice to share code among the min/max
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	944 // functions below.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	945
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	946 #define EMPTY_RETURN_CHECK(T) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	947 if (nel == 0) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	948 return T (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	949
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	950 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	951 min (float d, const FloatNDArray& m)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	952 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	953 dim_vector dv = m.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	954 octave_idx_type nel = dv.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	955
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	956 EMPTY_RETURN_CHECK (FloatNDArray);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	957
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	958 FloatNDArray result (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	959
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	960 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	961 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	962 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	963 result (i) = xmin (d, m (i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	964 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	965
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	966 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	967 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	968
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	969 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	970 min (const FloatNDArray& m, float d)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	971 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	972 dim_vector dv = m.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	973 octave_idx_type nel = dv.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	974
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	975 EMPTY_RETURN_CHECK (FloatNDArray);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	976
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	977 FloatNDArray result (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	978
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	979 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	980 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	981 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	982 result (i) = xmin (d, m (i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	983 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	984
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	985 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	986 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	987
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	988 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	989 min (const FloatNDArray& a, const FloatNDArray& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	990 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	991 dim_vector dv = a.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	992 octave_idx_type nel = dv.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	993
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	994 if (dv != b.dims ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	995 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	996 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	997 ("two-arg min expecting args of same size");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	998 return FloatNDArray ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	999 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1000
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1001 EMPTY_RETURN_CHECK (FloatNDArray);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1002
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1003 FloatNDArray result (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1004
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1005 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1006 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1007 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1008 result (i) = xmin (a (i), b (i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1009 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1010
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1011 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1012 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1013
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1014 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1015 max (float d, const FloatNDArray& m)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1016 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1017 dim_vector dv = m.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1018 octave_idx_type nel = dv.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1019
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1020 EMPTY_RETURN_CHECK (FloatNDArray);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1021
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1022 FloatNDArray result (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1023
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1024 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1025 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1026 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1027 result (i) = xmax (d, m (i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1028 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1029
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1030 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1031 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1032
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1033 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1034 max (const FloatNDArray& m, float d)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1035 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1036 dim_vector dv = m.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1037 octave_idx_type nel = dv.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1038
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1039 EMPTY_RETURN_CHECK (FloatNDArray);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1040
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1041 FloatNDArray result (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1042
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1043 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1044 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1045 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1046 result (i) = xmax (d, m (i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1047 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1048
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1049 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1050 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1051
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1052 FloatNDArray
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1053 max (const FloatNDArray& a, const FloatNDArray& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1054 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1055 dim_vector dv = a.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1056 octave_idx_type nel = dv.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1057
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1058 if (dv != b.dims ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1059 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1060 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1061 ("two-arg max expecting args of same size");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1062 return FloatNDArray ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1063 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1064
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1065 EMPTY_RETURN_CHECK (FloatNDArray);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1066
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1067 FloatNDArray result (dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1068
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1069 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1070 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1071 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1072 result (i) = xmax (a (i), b (i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1073 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1074
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1075 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1076 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1077
9578 7dafdb8b062f refactor comparison ops implementations Jaroslav Hajek <highegg@gmail.com> parents: 9553 diff changeset	1078 NDS_CMP_OPS (FloatNDArray, float)
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9523 diff changeset	1079 NDS_BOOL_OPS (FloatNDArray, float)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1080
9578 7dafdb8b062f refactor comparison ops implementations Jaroslav Hajek <highegg@gmail.com> parents: 9553 diff changeset	1081 SND_CMP_OPS (float, FloatNDArray)
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9523 diff changeset	1082 SND_BOOL_OPS (float, FloatNDArray)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1083
9578 7dafdb8b062f refactor comparison ops implementations Jaroslav Hajek <highegg@gmail.com> parents: 9553 diff changeset	1084 NDND_CMP_OPS (FloatNDArray, FloatNDArray)
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9523 diff changeset	1085 NDND_BOOL_OPS (FloatNDArray, FloatNDArray)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1086
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1087 /*
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1088 ;;; Local Variables: ***
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1089 ;;; mode: C++ ***
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1090 ;;; End: ***
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1091 */

Mercurial > hg > octave-nkf

annotate liboctave/fNDArray.cc @ 9621:3ee9029931b3